Imperial College London

Sierra Clark

Faculty of MedicineSchool of Public Health

Honorary Research Associate







171Norfolk PlaceSt Mary's Campus





I am an Environmental Public Health Scientist in the Air Quality and Public Health group at the UK Health Security Agency (UKHSA) and also an Honorary Research Associate at Imperial College London, where I completed my PhD in the Department of Epidemiology and Biostatistics.

I have an interest and expertise in exposure assessment (measurement and modelling) and environmental epidemiology, with a focus on air pollution and noise in indoor and outdoor environments. I have worked with international research consortiums, including Pathways to Equitable Healthy Cities, the Global Environmental Health research group, and the Indigenous Health Adaptation to Climate Change project, as well as Health Canada, on environmental health research in the UK, Canada, China, Ghana, and Uganda.

In 2017, I received the Canadian Science Policy Youth Award and in 2016 I was a National Geographic Young Explorer. I am currently an Associate Member of the International Society of Environmental Epidemiology (ISEE) European chapter. 

ResearchGate publications (Full list)



Clark S, Alli AS, Ezzati M, et al., 2022, Spatial modelling and inequalities of environmental noise in Accra, Ghana, Environmental Research, Vol:214, ISSN:0013-9351

Suel E, Sorek-Hamer M, Moise I, et al., 2022, What you see is what you breathe? Estimating air pollution spatial variation using street level imagery, Remote Sensing, Vol:14, ISSN:2072-4292

Clark SN, Bennett JE, Arku RE, et al., 2021, Small area variations and factors associated with blood pressure and body-mass index in adult women in Accra, Ghana: Bayesian spatial analysis of a representative population survey and census data, Plos Medicine, Vol:18, ISSN:1549-1277

Wang J, Alli AS, Clark S, et al., 2021, Nitrogen oxides (NO and NO2) pollution in the Accra metropolis: Spatiotemporal patterns and the role of meteorology, Science of the Total Environment, Vol:803, ISSN:0048-9697

Alli AS, Clark S, Hughes AF, et al., 2021, Spatial-temporal patterns of ambient fine particulate matter (PM2.5) and black carbon (BC) pollution in Accra, Environmental Research Letters, Vol:16, ISSN:1748-9326, Pages:1-12

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